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Cotton- RopŁ Gearing.


friction surfaces.    The grip is greater in the second than the first

case in the ratio -~
22^° = 2-6131, and jj.

From the force diagram, -~ = cosec.
•28 x 2*6131 = 732, which should

be substituted for yu in the tension formula already given.

Messrs. Jno. Musgrave and Sons, of Bolton, have fitted up a
large number of mills with cotton-rope driving, and the following
remarks afcd tables are the result of their experience as given in